A relationship with chef Michael Bissanti has sparked serious growth for the company. Bissanti owns Four Burgers in Cambridge, Massachusetts, which features four burger options: beef, turkey, salmon and — you guessed it — veggie burgers. Lallo says the restaurant goes through roughly 36 Blue Mango Veggie Burgers a day and sales are neck-and-neck with the hamburgers. Bissanti plans to open a second restaurant next year, which is good news for the couple — mostly.

"It's challenging with two people to get everything done, from production to marketing," says Stevens. The two are in the process of developing a second flavor — a roasted red pepper and basil burger with cannelloni beans instead of black beans. Even with all these expansion opportunities they plan to keep it simple for now, putting out one patty at a time.